🗄️Developer Resource // JSON Endpoint

CEZ JSON Data API

Access 61 data points for CEZ spanning 5 years (2016–Apr 1, 2021). Optimized JSON format (8.9 KB).

Local-first charts from this JSON — open the Terminal.
Parse and visualize without shipping raw ledgers to a vendor database.

Download as CSV

Prefer CSV format? Download CEZ historical data as a CSV file for Excel, Google Sheets, or any spreadsheet application.

GET /api/tickers/CEZ/json● 200 OK (Live)

Tired of exporting to Excel? Track CEZ and analyze your portfolio locally with Pocket Portfolio.

Start Free — Local First
{
  "symbol": "CEZ",
  "timestamp": "2026-04-22T22:18:01.179Z",
  "price": 27.615,
  "change_24h": -0.1265822784810132,
  "history_sample": [
    {
      "date": "2016-04-01",
      "open": 25.39,
      "high": 26.38,
      "low": 24.86,
      "close": 25.66,
      "volume": 233730
    },
    {
      "date": "2016-05-01",
      "open": 25.75,
      "high": 25.8,
      "low": 24.41,
      "close": 24.91,
      "volume": 186402
    }
  ]
}
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Import via CLI

Don't scrape. Use our open-source importer to normalize this dataset directly into your local database.

npx pocket-portfolio --import CEZ
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Need to archive this data?

Don't rely on ephemeral endpoints. Automatically sync CEZ.json updates to your private Google Drive for backtesting and compliance.

Enable Sovereign Sync

Includes unlimited API calls & historical CSV exports.

Dataset Specifications

  • Format: Standardized JSON (OHLCV)
  • Frequency: End-of-Day (EOD) + Real-time delay
  • Adjustments: Split-adjusted, Dividend-adjusted
  • Source: Multi-provider aggregation (AlphaVantage, Yahoo fallback)
> system_ready. Initialize Sovereign reasoning for this asset?[Y]— open Terminal